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# See the NOTICE file distributed with this work for additional information regarding
# copyright ownership.  The Modin Development Team licenses this file to you under the
# Apache License, Version 2.0 (the "License"); you may not use this file except in
# compliance with the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed under
# the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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class DataFrame:
    def apply(self):
        """This is a test of the documentation module for DataFrame."""
        return


class Series:
    def isna(self):
        """This is a test of the documentation module for Series."""
        return


class BasePandasDataset:
    """This is a test of the documentation module for BasePandasDataSet."""

    def apply():
        """This is a test of the documentation module for BasePandasDataSet.apply."""
        return

    def astype():
        """This is a test of the documentation module for BasePandasDataSet.astype."""
